docs: def remap(im, coords):
      """
      Remap an RGB image using the given target coordinate array.
      
      If available, OpenCV is used (faster), otherwise SciPy.
      
      :type im: ndarray of shape (h,w,3)
      :param im: RGB image to be remapped
      :type coords: ndarray of shape (h,w,2)
      :param coords: target coordinates in x,y order for each pixel
      :return: remapped RGB image
      :rtype: ndarray of shape (h,w,3)
      """
      if cv2:
          return remapOpenCv(im, coords)
      else:
          return remapScipy(im, coords)